body{margin:0;font-family:Arial,sans-serif;color:#fff;text-align:center;min-height:100vh;background:#0b0f1a}.game-container{background:rgba(246,232,232,.55);width:min(720px,92vw);margin:8vh auto;padding:28px 22px 32px;border-radius:16px;box-shadow:0 10px 30px #00000059}.record-btn{border:none;background:transparent;padding:10;cursor:pointer;display:inline-block;margin:14px 0 10px}@keyframes spin{to{transform:rotate(360deg)}}.record-btn img{width:300px;height:300px;object-fit:cover;border-radius:50%;animation:spin 15s linear infinite;transform-origin:center;box-shadow:0 6px 18px #00000059;mask-image:radial-gradient(circle at center,black 98%,transparent 100%);-webkit-mask-image:radial-gradient(circle at center,black 98%,transparent 100%)}.record-btn:hover img{transform:none;filter:brightness(1.05)}.record-btn:active img{filter:brightness(.9)}#shop{margin-top:16px;display:grid;gap:8px}#shop button{padding:10px 14px;border:none;border-radius:10px;background:#00449f;color:#fff;cursor:pointer;transition:background-color .15s}#shop button:hover:not(:disabled){background:#1866ff}#shop button:disabled{background:#7a7a7a;cursor:not-allowed}.main-layout{display:flex;justify-content:center;align-items:flex-start;gap:24px}.song-tab{background:rgba(0,0,0,.55);padding:24px;border-radius:16px;width:280px;box-shadow:0 10px 30px #00000059;color:#fff;text-align:left}.song-tab h2{text-align:center;margin-bottom:12px}#songs button{display:block;width:100%;margin-bottom:8px;padding:10px;border:none;border-radius:10px;background:#444;color:#fff;cursor:pointer;transition:background .15s}#songs button:disabled{background:#888;cursor:not-allowed}#songs button:hover:not(:disabled){background:#1866ff}.volume{margin-top:14px;padding-top:10px;border-top:1px solid rgba(255,255,255,.15)}.volume label{display:block;font-size:.95rem;margin-bottom:6px}#volumeSlider{width:100%;appearance:none;height:6px;border-radius:999px;background:#888;outline:none}#volumeSlider::-webkit-slider-thumb{appearance:none;width:16px;height:16px;border-radius:50%;background:#1866ff;cursor:pointer;border:none;box-shadow:0 0 0 2px #00000026}#volumeSlider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#1866ff;cursor:pointer;border:none}.game-container{position:relative}.sfx-toggle{position:absolute;top:8px;left:12px;font-size:12px;color:#fff;user-select:none;display:flex;gap:6px;align-items:center;opacity:.9}.sfx-toggle input{transform:translateY(1px)}